Color

#2191f2

#2191f2
hex#2191f2
rgbrgb(33, 145, 242)
hslhsl(208, 89%, 54%)
oklchoklch(0.646 0.173 250.6)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2698

Colors that go with #2191f2

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f28321

#21f2eb · #2128f2

#f22191 · #91f221

Split-complementary

Open in tool →

#f22128 · #f2eb21

#eb21f2 · #f28321 · #28f221

Contrast

#2191f2 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #0c77d4 as the text (4.56:1)
  • AAA: use #09599f as the text (7.14:1)
  • AA: or shift the background to #262626 (4.61:1)
Aaon black
6.4:1passpassfail
  • AAA: use #359af3 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2191f2 as the background.

Brands using this color

Fonts for this mood

#2191f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2191f2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2191f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2191f2-9cadc4-df4e51-1f212d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md